Phil created SPARK-27632:
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             Summary: More efficient Row.merge function
                 Key: SPARK-27632
                 URL: https://issues.apache.org/jira/browse/SPARK-27632
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 2.4.2
            Reporter: Phil


The performance of Row.merge, which merges multiple rows into a single row, can 
be improved as already stated in an inline comment in this function.



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